Hub



FIG. 1 is a perspective view of a hub of the new design;

FIG. 2 is a front elevational view of the hub of FIG. 1, the rear elevational view being a mirror image thereof;

FIG. 3 is a left side elevational view of the hub of FIG. 1;

FIG. 4 is a right side elevational view of the hub of FIG. 1;

FIG. 5 is a top plan view of the hub of FIG. 1; and,

FIG. 6 is a bottom plan view of the hub of FIG. 1.

The portions of the Figures shown in broken lines are not part of the claimed design and are for illustration only. 

The ornamental design for a hub, as shown and described. 